The Soil Moisture Active Passive (SMAP) mission is one of the first-tier projects recommended by the U.S. National Research Council Committee on Earth Science and Applications from Space. The SMAP mission is in formulation phase and it is scheduled for launch in 2014. The SMAP mission is designed to produce high-resolution and accurate global mapping of soil moisture and its freeze/thaw state using an instrument architecture that incorporates an L-band (1.26 GHz) radar and an L-band (1.41 GHz) radiometer. The simultaneous radar and radiometer measurements will be combined to derive global soil moisture mapping at 9 [km] resolution with a 2 to 3 days revisit and 0.04 [cm3 cm-3] (1 sigma) soil water content accuracy. The radar measurements also allow the binary detection of surface freeze/thaw state. The project science goals address in water, energy and carbon cycle science as well as provide improved capabilities in natural hazards applications.


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    Title :

    The NASA Soil Moisture Active Passive (SMAP) Mission Formulation


    Contributors:
    Entekhabi, Dara (author) / Njoku, Eni (author) / ONeill, Peggy (author) / Kellogg, Kent (author) / Entin, Jared (author)

    Conference:

    Geoscience and Remote Sensing Symposium (IGARSS) ; 2011 ; Vancouver, Canada


    Publication date :

    2011-08-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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